How To Throw A Screwball
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How To Throw A Screwball

Throwing a screwball can be a challenging yet rewarding skill to master in the world of baseball. This deceptive pitch can leave batters swinging at thin air, resulting in a strikeout or a weakly hit ball. If you're looking to add this pitch to your repertoire, this guide will walk you through the steps of how to throw a screwball effectively.

What is a Screwball?

Before we delve into the mechanics of throwing a screwball, let's first understand what it is. A screwball is a pitch that moves in the opposite direction of a traditional curveball. For right-handed pitchers, it breaks in on right-handed hitters, while for left-handed pitchers, it breaks in on left-handed hitters. This movement is achieved by using a unique grip and throwing motion.

The Grip

The grip is a crucial aspect of throwing a screwball successfully. Here's how to grip the ball:

  1. Start with a standard four-seam grip.
  2. Position your middle and index fingers across the seams, just like a two-seam fastball.
  3. Rotate your hand slightly inward, so the thumb is on the bottom of the ball.
  4. Place your ring finger on the inside seam of the ball.
  5. Keep your pinky finger tucked against the side of the ball for stability.
The Throwing Motion

Now that you have the grip down, let's move on to the throwing motion:

  • Start with your regular wind-up or stretch position.
  • As you initiate your throwing motion, focus on pronating your forearm.
  • As you release the ball, snap your wrist inward.
  • Allow the grip and wrist movement to create the screwball spin.
  • Follow through with your throwing arm across your body.

Common Mistakes to Avoid

When learning how to throw a screwball, it's important to be aware of common mistakes that can hinder your progress. Here are a few to avoid:

Incorrect Grip

If your grip is incorrect, it will be challenging to generate the desired movement on the pitch. Ensure you have a firm grip with your fingers across the seams and your thumb underneath the ball.


Trying to throw the screwball too hard can lead to a loss of control and diminished movement. Focus on a smooth, fluid throwing motion rather than trying to overpower the pitch.

Inconsistent Release Point

Consistency is key in throwing any pitch, including the screwball. Practice your release point to ensure you can replicate it with each throw, allowing for better accuracy and movement.

Frequently Asked Questions

Q: How long does it take to master the screwball pitch?

A: Mastering the screwball pitch can vary for each individual. It can take weeks or even months of practice to develop the necessary control and movement.

Q: Can I throw a screwball if I'm a left-handed pitcher?

A: Yes, left-handed pitchers can throw a screwball as well. The grip and throwing motion remain the same; however, the pitch will break in on left-handed hitters instead.


Learning how to throw a screwball can be a game-changer in your pitching arsenal. With the right grip, throwing motion, and practice, you can add this deceptive pitch to your repertoire. Remember to avoid common mistakes, stay consistent, and be patient with your progress. Now, it's time to hit the field and start perfecting your screwball!

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